Differences Between Gfs And Gfs2; Gfs2 Command Names; Additional Differences Between Gfs And Gfs2 - Red Hat ENTERPRISE LINUX 5 - GLOBAL FILE SYSTEM 2 Manual

1.2. Differences between GFS and GFS2

This section lists the improvements and changes that GFS2 offers over GFS.
Migrating from GFS to GFS2 requires that you convert your GFS file systems to GFS2 with the
gfs2_convert utility. For information on the gfs2_convert utility, see
File System from GFS to

1.2.1. GFS2 Command Names

In general, the functionality of GFS2 is identical to GFS. The names of the file system commands,
however, specify GFS2 instead of GFS.
GFS and GFS2 commands.
GFS Command GFS2 Command
mount mount
umount umount
fsck fsck
gfs_fsck fsck.gfs2
gfs_grow gfs2_grow
gfs_jadd gfs2_jadd
gfs_mkfs mkfs.gfs2
mkfs -t gfs mkfs -t gfs2
gfs_quota gfs2_quota
gfs_tool gfs2_tool
gfs_edit gfs2_edit
gfs_tool chattr +j
(preferred)
setflag
jdata/
inherit_jdata
setfacl/ setfacl/
getfacl getfacl
setfattr/ setfattr/
getfattr getfattr
Table 1.1. GFS and GFS2 Commands
For a full listing of the supported options for the GFS2 file system commands, see the man pages for
those commands.

1.2.2. Additional Differences Between GFS and GFS2

This section summarizes the additional differences in GFS and GFS2 administration that are not
Section 1.2.1, "GFS2 Command
described in
GFS2.
Table 1.1, "GFS and GFS2 Commands"
Description
Mount a file system. The system can determine whether
the file system is a GFS or GFS2 file system type.
For information on the GFS2 mount options see the
gfs2_mount(8) man page.
Unmount a file system.
Check and repair an unmounted file system.
Grow a mounted file system.
Add a journal to a mounted file system
Create a file system on a storage device.
Manage quotas on a mounted file system.
Configure, tune, or gather information about a file system.
Display, print, or edit file system internal structures. The
gfs2_edit command can be used for GFS file systems
as well as GFS2 file system.
Enable journaling on a file or directory.
Set or get file access control list for a file or directory.
set or get the extended attributes of a file.
Names".
Differences between GFS and GFS2
Appendix A, Converting a
shows the equivalent
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